HEADER TRANSCRIPTION 18-JUN-18 6GTO TITLE STRUCTURE OF THE ATAR ANTITOXIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: DUF1778 DOMAIN-CONTAINING PROTEIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: TOXIN-ANTITOXIN SYSTEM,ANTITOXIN COMPONENT,RIBBON-HELIX- COMPND 5 HELIX FOLD PROTEIN,YBL13; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: YBL13, YBL13_1, A8G17_04185, AA102_09360, AC789_1C38270, SOURCE 5 ACN002_3543, ACN81_27750, ACU90_15595, AM270_07745, ARC77_13665, SOURCE 6 AU473_04475, B1K96_23180, B1K96_30445, BHS81_20640, BIZ41_06975, SOURCE 7 BK292_07330, BMT53_16880, BN17_33961, BTQ04_07040, BWP17_00645, SOURCE 8 COD46_18440, CR538_01655, CVH05_12360, ERS085366_00076, SOURCE 9 ERS085374_01548, ERS085383_01733, ERS085404_01502, RX35_03224; SOURCE 10 EXPRESSION_SYSTEM: ESCHERICHIA COLI 'BL21-GOLD(DE3)PLYSS AG'; SOURCE 11 EXPRESSION_SYSTEM_TAXID: 866768 KEYWDS ANTITOXIN, TRANSCRIPTION FACTOR, RIBBON-HELIX-HELIX, RHH, BACTERIAL KEYWDS 2 REPRESSOR, TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR A.GARCIA-PINO,D.JURENAS REVDAT 2 15-MAY-24 6GTO 1 REMARK REVDAT 1 06-MAR-19 6GTO 0 JRNL AUTH D.JURENAS,L.VAN MELDEREN,A.GARCIA-PINO JRNL TITL MECHANISM OF REGULATION AND NEUTRALIZATION OF THE ATAR-ATAT JRNL TITL 2 TOXIN-ANTITOXIN SYSTEM. JRNL REF NAT. CHEM. BIOL. V. 15 285 2019 JRNL REFN ESSN 1552-4469 JRNL PMID 30718814 JRNL DOI 10.1038/S41589-018-0216-Z REMARK 2 REMARK 2 RESOLUTION. 2.97 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.10.3 REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN, REMARK 3 : WOMACK,MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.97 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 41.86 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 3576 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.236 REMARK 3 R VALUE (WORKING SET) : 0.234 REMARK 3 FREE R VALUE : 0.266 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.010 REMARK 3 FREE R VALUE TEST SET COUNT : 179 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 5 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 2.97 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 3.32 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.80 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 976 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.2414 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 927 REMARK 3 BIN R VALUE (WORKING SET) : 0.2439 REMARK 3 BIN FREE R VALUE : 0.1966 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.02 REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 453 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 117.7 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 134.2 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -6.58550 REMARK 3 B22 (A**2) : -6.58550 REMARK 3 B33 (A**2) : 13.17100 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.560 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : 0.400 REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : 0.295 REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : 0.359 REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : 0.283 REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.930 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.893 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 463 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 627 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 164 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES : 83 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 463 ; 20.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : 1 ; 5.000 ; SEMIHARMONIC REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 69 ; 5.000 ; SEMIHARMONIC REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL REMARK 3 UTILITY DISTANCES : NULL ; NULL ; NULL REMARK 3 UTILITY ANGLES : NULL ; NULL ; NULL REMARK 3 UTILITY TORSION : NULL ; NULL ; NULL REMARK 3 IDEAL-DIST CONTACT TERM : 537 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.20 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 2.15 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 19.05 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: { A|* } REMARK 3 ORIGIN FOR THE GROUP (A): 27.1228 19.2179 75.0485 REMARK 3 T TENSOR REMARK 3 T11: -0.3178 T22: -0.1738 REMARK 3 T33: -0.1698 T12: -0.0151 REMARK 3 T13: -0.0875 T23: -0.2506 REMARK 3 L TENSOR REMARK 3 L11: 3.4063 L22: 5.6282 REMARK 3 L33: 6.7246 L12: -2.3868 REMARK 3 L13: -1.8529 L23: 4.6728 REMARK 3 S TENSOR REMARK 3 S11: 0.2378 S12: -0.3887 S13: 0.2590 REMARK 3 S21: -0.1912 S22: 0.0201 S23: 0.2071 REMARK 3 S31: -0.0310 S32: 0.1693 S33: -0.2579 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6GTO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 19-JUN-18. REMARK 100 THE DEPOSITION ID IS D_1200010551. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-MAY-15 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SOLEIL REMARK 200 BEAMLINE : PROXIMA 1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9793 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 3575 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.970 REMARK 200 RESOLUTION RANGE LOW (A) : 41.860 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 5.500 REMARK 200 R MERGE (I) : 0.05600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.5800 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.97 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.08 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.4 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 1.48200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 67.47 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.78 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 35%(V/V) 1,4-DIOXANE, PH 7.0, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 REMARK 290 7555 Y,X,-Z+1/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+2/3 REMARK 290 10555 -Y,-X,-Z+5/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+1/6 REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 55.27000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 110.54000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 82.90500 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 138.17500 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 27.63500 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 55.27000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 110.54000 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 138.17500 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 82.90500 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 27.63500 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3260 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 8720 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -81.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 2 0.500000 -0.866025 0.000000 28.00000 REMARK 350 BIOMT2 2 -0.866025 -0.500000 0.000000 48.49742 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 138.17500 REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 MET A 1 REMARK 465 SER A 2 REMARK 465 ALA A 3 REMARK 465 VAL A 4 REMARK 465 LYS A 5 REMARK 465 LYS A 6 REMARK 465 GLN A 7 REMARK 465 ARG A 8 REMARK 465 PRO A 71 REMARK 465 PRO A 72 REMARK 465 SER A 73 REMARK 465 PRO A 74 REMARK 465 GLY A 75 REMARK 465 GLU A 76 REMARK 465 LYS A 77 REMARK 465 LEU A 78 REMARK 465 LYS A 79 REMARK 465 ARG A 80 REMARK 465 ALA A 81 REMARK 465 ALA A 82 REMARK 465 LYS A 83 REMARK 465 ARG A 84 REMARK 465 LEU A 85 REMARK 465 GLN A 86 REMARK 465 GLY A 87 REMARK 465 MET A 88 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ASP A 10 CG OD1 OD2 REMARK 470 LEU A 11 CG CD1 CD2 REMARK 470 ARG A 12 CG CD NE CZ NH1 NH2 REMARK 470 LEU A 13 CD1 CD2 REMARK 470 LYS A 18 CD CE NZ REMARK 470 SER A 33 OG REMARK 470 GLU A 58 CG CD OE1 OE2 REMARK 470 GLU A 59 CG CD OE1 OE2 REMARK 470 ARG A 63 CD NE CZ NH1 NH2 REMARK 470 ASP A 66 CG OD1 OD2 REMARK 470 LEU A 68 CG CD1 CD2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue NA A 102 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue NA A 103 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue NA A 104 DBREF 6GTO A 1 88 UNP J7QA90 J7QA90_ECOLX 1 88 SEQRES 1 A 88 MET SER ALA VAL LYS LYS GLN ARG ILE ASP LEU ARG LEU SEQRES 2 A 88 THR ASP ASP ASP LYS SER MET ILE GLU GLU ALA ALA ALA SEQRES 3 A 88 ILE SER ASN GLN SER VAL SER GLN PHE MET LEU ASN SER SEQRES 4 A 88 ALA SER GLN ARG ALA ALA GLU VAL ILE GLU GLN HIS ARG SEQRES 5 A 88 ARG VAL ILE LEU ASN GLU GLU SER TRP THR ARG VAL MET SEQRES 6 A 88 ASP ALA LEU SER ASN PRO PRO SER PRO GLY GLU LYS LEU SEQRES 7 A 88 LYS ARG ALA ALA LYS ARG LEU GLN GLY MET HET NA A 101 1 HET NA A 102 1 HET NA A 103 1 HET NA A 104 1 HETNAM NA SODIUM ION FORMUL 2 NA 4(NA 1+) HELIX 1 AA1 THR A 14 ASN A 29 1 16 HELIX 2 AA2 SER A 31 ASN A 70 1 40 LINK OE1 GLN A 30 NA NA A 102 1555 1555 2.75 SITE 1 AC1 2 GLN A 30 ARG A 43 SITE 1 AC2 2 ASP A 16 MET A 20 SITE 1 AC3 1 SER A 19 CRYST1 56.000 56.000 165.810 90.00 90.00 120.00 P 61 2 2 12 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 0.017857 0.010310 0.000000 0.00000 SCALE2 0.000000 0.020620 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006031 0.00000